115913049 has 16 divisors (see below), whose sum is σ = 177718272. Its totient is φ = 65827728.

The previous prime is 115913041. The next prime is 115913081. The reversal of 115913049 is 940319511.

It is not a de Polignac number, because 115913049 - 2³ = 115913041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115913041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13509 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (11107392).

Almost surely, 2^115913049 is an apocalyptic number.

It is an amenable number.

115913049 is a deficient number, since it is larger than the sum of its proper divisors (61805223).

115913049 is a wasteful number, since it uses less digits than its factorization.

115913049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34036.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 115913049 is about 10766.2922587119. The cubic root of 115913049 is about 487.5780093441.

The spelling of 115913049 in words is "one hundred fifteen million, nine hundred thirteen thousand, forty-nine".